<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>demo2</title>
</head>
<body>
<input type="file" id="test-image-file" name="file">
<br/>
<p id="test-file-info">111</p>
<br/>
<div id="test-image-preview" style="height: 400px;">111</div>
</body>
<script src="chapter5.js"></script>
</html>
